Miniemulsion Polymerization and Characterization of Spirobenzopyran-based Photochromic Nanoparticles
Nanoparticles bearing photochromic spirobenzopyran dyads, N-alkyl-3,3-dimethylspiro-2H-1-Benzopyrane-6-nitro-2,2-indoline, have been prepared by a modified miniemulsion polymerization. Influences of the content of cross-linkers and the temperature of decoloration of the nanoparticles were studied. The kinetic measurement of the thermal decolorization of the nanohybrids in water after UV irradiation demonstrated that the rate of ring closure reaction of photochromic dye was retarded by a crosslinking reaction, which was expected to control the free volume surrounding photochromic moiety and provide a passivating micro environment to repel outside interference.
Qing ZHANG Liang MING Lingyan GU Qiaorong SHENG Minzhao XUE Yangang LIU
School of Chemistry and Chemical Engineering, Shanghai Jiaotong University Shanghai 200240, P.R.China
国际会议
The 31st International Congress on Imaging Science(第31届国际影像科学大会 ICIS2010)
北京
英文
438-441
2010-05-12（万方平台首次上网日期，不代表论文的发表时间）